Foam gun



FIG. 1 is a left side, top and front perspective view of a foam gun, showing our new design;

FIG. 2 is a right side, rear and top view thereof;

FIG. 3 is a right side view thereof, with the left side view being a mirror image thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The features shown in broken lines in FIGS. 4 and 7 depict portions of the foam gun that form no part of the claimed design. 

CLAIM The ornamental design for a foam gun, as shown and described. 